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Yealink T4 Firmware
Yealink T4 Firmware
To update to Fonality's firmware, flash the .200 file first then flash .2 last. It is important to flash in that order to gain full compatibility with Fonality's systems.
To update to Fonality's firmware, flash the .200 file first then flash .2 last. It is important to flash in that order to gain full compatibility with Fonality's systems.